162306a36Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0 */ 262306a36Sopenharmony_ci#define MAXPACK 50 362306a36Sopenharmony_ci#define MAXBUFFERMS 100 462306a36Sopenharmony_ci#define MAXSTRIDE 3 562306a36Sopenharmony_ci 662306a36Sopenharmony_ci#define SSS (((MAXPACK*MAXBUFFERMS*MAXSTRIDE + 4096) / 4096) * 4096) 762306a36Sopenharmony_cistruct snd_usx2y_hwdep_pcm_shm { 862306a36Sopenharmony_ci char playback[SSS]; 962306a36Sopenharmony_ci char capture0x8[SSS]; 1062306a36Sopenharmony_ci char capture0xA[SSS]; 1162306a36Sopenharmony_ci volatile int playback_iso_head; 1262306a36Sopenharmony_ci int playback_iso_start; 1362306a36Sopenharmony_ci struct { 1462306a36Sopenharmony_ci int frame, 1562306a36Sopenharmony_ci offset, 1662306a36Sopenharmony_ci length; 1762306a36Sopenharmony_ci } captured_iso[128]; 1862306a36Sopenharmony_ci volatile int captured_iso_head; 1962306a36Sopenharmony_ci volatile unsigned captured_iso_frames; 2062306a36Sopenharmony_ci int capture_iso_start; 2162306a36Sopenharmony_ci}; 2262306a36Sopenharmony_ci 2362306a36Sopenharmony_ciint usx2y_hwdep_pcm_new(struct snd_card *card); 24